Unsuitable for small children under 3 years due to small parts which may cause a choking hazard. The paints are safe for use on small children, it is just the small parts may cause a choking hazard. Store in a clean dry area with the lid on. Use within 18 months of opening the package to avoid having the make-up dry and crack. All cosmetics can, on rare occasions cause allergic reactions and the product should not applied in the immediate eye area or to sensitive areas or broken skin. If you are unsure about sensitivity, a patch test is advised. Apply the product to the inside of the elbow. If a reaction occurs within 60 minutes, do not use.